Stephen has stated that he wasn't sure who was invited to the dinner. He figured if they wanted him there, it must be because they understand the TV show, and the jokes and that they ARE jokes and find them funny....so he brought out TV Stephen. And I think a lot of the audience did find it funny, they just weren't at the head table.

The full speech is available at the end of Stephen Colbert's first book : Stephen Colbert : I Am America, And So Can You! You can purchase a copy HERE!